Patent · US Active

Exposure control of image input apparatus

US7583312B2 · kind B2 · utility

3Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 16, 2004
Grant dateSep 1, 2009
Priority date
Expiry dateAug 1, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/75
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image input apparatus that includes a solid-state image sensing device having a plurality of pixels; a shutter having a front curtain and a rear curtain for opening and blocking an optical path to the solid-state image sensing device; a shutter-curtain sensor that senses passage of the front and rear curtains at a plurality of positions; and a reset unit that resets pixels of the solid-state image sensing device successively before the sensor senses passage of the rear curtain upon elapse of a prescribed period of time after the sensor senses passage of said front curtain.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.